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Patent Assignment Assignor Details
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Assignor Name : HOFFMASTER, CARL M.
Total Assignments: 16
Assignment: 1
Reel/Frame:008425/0379   Pages: 4
Recorded: 03/26/1997
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFFMASTER, CARL M.
Exec Dt:
01/06/1997
2
BEATON, TIM P.
Exec Dt:
01/06/1997
3
TERRY, KEITH
Exec Dt:
01/06/1997
Assignee
1
CAMCO INTERNATIONAL INC.
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TEXAS 77221
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5839525
NONE
08771000
Correspondence name and address
CAMCO INTERNATIONAL INC.
SCOTT H. BROWN
P.O. BOX 14484
7030 ARDMORE
HOUSTON, TX 77221
Assignment: 2
Reel/Frame:012242/0119   Pages: 3
Recorded: 10/09/2001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFFMASTER, CARL M.
Exec Dt:
08/14/2001
2
TRUAX, DAVID K.
Exec Dt:
08/14/2001
3
BEATON, TIMOTHY P.
Exec Dt:
08/14/2001
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7451836
US20030029644
09924961
Correspondence name and address
ROSENTHAL & OSHA L.L.P.
RICHARD A. FAGIN
700 LOUISIANA, SUITE 4550
HOUSTON, TX 77002
Assignment: 3
Reel/Frame:019741/0019   Pages: 7
Recorded: 08/24/2007
Attorney Dkt #:1030-38700 TJF
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DURAIRAJAN, BALA
Exec Dt:
07/06/2007
2
HOFFMASTER, CARL M.
Exec Dt:
07/06/2007
3
DOUGLAS, CHARLES H.S., III
Exec Dt:
07/06/2007
4
CISNEROS, DENNIS
Exec Dt:
07/06/2007
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7703557
US20080302575
11760933
Correspondence name and address
THADDEUS J. FALESKI
P. O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 4
Reel/Frame:019914/0625   Pages: 3
Recorded: 10/03/2007
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFFMASTER, CARL M.
Exec Dt:
10/02/2007
2
AZAR, MICHAEL G.
Exec Dt:
10/02/2007
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
PATENT SERVICES
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7621348
US20080105466
11866333
Correspondence name and address
SMITH INTERNATIONAL, INC.
PATENT SERVICES
16740 HARDY STREET
HOUSTON, TEXAS 77032
Assignment: 5
Reel/Frame:021499/0207   Pages: 3
Recorded: 09/09/2008
Attorney Dkt #:05516/380001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DURAIRAJAN, BALA
Exec Dt:
07/25/2008
2
HOFFMASTER, CARL M.
Exec Dt:
07/25/2008
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8783387
US20100059287
12205778
Correspondence name and address
OSHA LIANG, LLP
1221 MCKINNEY, SUITE 2800
HOUSTON, TX 77010
Assignment: 6
Reel/Frame:021652/0339   Pages: 3
Recorded: 10/08/2008
Attorney Dkt #:05516/379001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DURAIRAJAN, BALA
Exec Dt:
08/29/2008
2
HOFFMASTER, CARL M.
Exec Dt:
09/29/2008
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8833492
US20100084198
12247959
Correspondence name and address
OSHA, LIANG LLP / SMITH
TWO HOUSTON CENTER
909 FANNIN STREET, SUITE 3500
HOUSTON, TX 77010
Assignment: 7
Reel/Frame:021652/0390   Pages: 3
Recorded: 10/08/2008
Attorney Dkt #:05516/379001
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DURAIRAJAN, BALA
Exec Dt:
08/29/2008
2
HOFFMASTER, CARL M.
Exec Dt:
09/29/2008
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8833492
US20100084198
12247959
Correspondence name and address
OSHA LIANG, LLP
909 FANNIN
SUITE 3500
HOUSTON, TX 77010
Assignment: 8
Reel/Frame:022230/0295   Pages: 6
Recorded: 02/06/2009
Attorney Dkt #:1030-39101 TJF
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DURAIRAJAN, BALA
Exec Dt:
02/05/2009
2
HOFFMASTER, CARL M.
Exec Dt:
02/05/2009
3
AZAR, MICHAEL G.
Exec Dt:
02/02/2009
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9016407
US20090145669
12329163
Correspondence name and address
THADDEUS J. FALESKI
P.O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 9
Reel/Frame:022279/0568   Pages: 6
Recorded: 02/19/2009
Attorney Dkt #:1030-39201 TJF
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DURAIRAJAN, BALA
Exec Dt:
02/12/2009
2
HOFFMASTER, CARL M.
Exec Dt:
02/12/2009
3
ARTEAGA, ROLANDO DESCARPONTRIEZ
Exec Dt:
02/07/2009
Assignee
1
SMITH INTERNATIONAL, INC.
16740 HARDY STREET
HOUSTON, TEXAS 77032
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8127863
US20090145663
12330633
Correspondence name and address
THADDEUS J. FALESKI
P.O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 10
Reel/Frame:022790/0827   Pages: 7
Recorded: 06/08/2009
Attorney Dkt #:1030-40501 TJF
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
DURAIRAJAN, BALA
Exec Dt:
05/20/2009
2
HOFFMASTER, CARL M.
Exec Dt:
05/20/2009
3
AZAR, MICHAEL G.
Exec Dt:
04/13/2009
4
BUSH, KURT T.
Exec Dt:
05/20/2009
Assignee
1
SMITH INTERNATIONAL, INC.
1310 RANKIN ROAD
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
8100202
US20090266619
12416202
Correspondence name and address
THADDEUS J. FALESKI
P.O. BOX 3267
HOUSTON, TX 77253-3267
Assignment: 11
Reel/Frame:026235/0496   Pages: 4
Recorded: 05/06/2011
Attorney Dkt #:05516/397002
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
JOHNSON, GEOFFREY M.
Exec Dt:
08/02/2009
2
HOFFMASTER, CARL M.
Exec Dt:
07/29/2009
3
DURAIRAJAN, BALA
Exec Dt:
07/29/2009
4
AZAR, MICHAEL GEORGE
Exec Dt:
07/28/2009
Assignee
1
SMITH INTERNATIONAL, INC.
1310 RANKIN RD.
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20100018780
12507730
Correspondence name and address
JEFFREY S. BERGMAN
909 FANNIN ST.
SUITE 3500
HOUSTON, TX 77010
Assignment: 12
Reel/Frame:031353/0321   Pages: 9
Recorded: 10/06/2013
Attorney Dkt #:11-GD02-US-NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
BURHAN, YURI
Exec Dt:
06/17/2013
2
HOFFMASTER, CARL M.
Exec Dt:
09/24/2013
3
LOCKWOOD, GREGORY
Exec Dt:
06/17/2013
4
SHEPHERD, RONDA S.
Exec Dt:
06/17/2013
5
O'LAIN, MATTHEW
Exec Dt:
06/26/2013
6
ALLEN, BOBBY L.
Exec Dt:
07/11/2013
Assignee
1
SMITH INTERNATIONAL, INC.
1310 RANKIN RD.
HOUSTON, TEXAS 77073
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20130153306
13716031
Correspondence name and address
SMITH INTERNATIONAL INC.
1310 RANKIN RD.
PATENT SERVICES
HOUSTON, TX 77073
Assignment: 13
Reel/Frame:036214/0518   Pages: 5
Recorded: 07/30/2015
Attorney Dkt #:SHB-15-01US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
MARLEY, RYN J. C.
Exec Dt:
07/27/2015
2
HERMAN, JOHN J.
Exec Dt:
07/27/2015
3
BEATON, TIMOTHY P.
Exec Dt:
07/24/2015
4
WONG, ALEX
Exec Dt:
07/27/2015
5
NEVLUD, KENNETH M.
Exec Dt:
07/29/2015
6
HOFFMASTER, CARL M.
Exec Dt:
07/29/2015
Assignee
1
SHEAR BITS, LTD.
300-510 5TH STREET S.W.
CALGARY, CANADA T2P 3S2
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9951563
US20160265281
14813206
Correspondence name and address
RICHARD A. FAGIN
P.O. BOX 1247
RICHMOND, TX 77406-1247
Assignment: 14
Reel/Frame:036238/0340   Pages: 7
Recorded: 07/31/2015
Attorney Dkt #:SHB-15-01US
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE NAME OF THE FIRST ASSIGNOR FIRST NAME PREVIOUSLY RECORDED AT REEL: 036214 FRAME: 0518. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT.
Assignors
1
MARLEY, RYAN J. C.
Exec Dt:
07/27/2015
2
HERMAN, JOHN J.
Exec Dt:
07/27/2015
3
BEATON, TIMOTHY P.
Exec Dt:
07/24/2015
4
WONG, ALEX
Exec Dt:
07/27/2015
5
NEVLUD, KENNETH M.
Exec Dt:
07/29/2015
6
HOFFMASTER, CARL M.
Exec Dt:
07/29/2015
Assignee
1
SHEAR BITS, LTD.
300-510 5TH STREET S.W.
CALGARY, CANADA T2P 3S2
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
9951563
US20160265281
14813206
Correspondence name and address
RICHARD A. FAGIN
P.O. BOX 1247
RICHMOND, TX 77406-1247
Assignment: 15
Reel/Frame:056803/0453   Pages: 4
Recorded: 07/09/2021
Attorney Dkt #:SHB-18-02US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HERMAN, JOHN JAMES
Exec Dt:
01/07/2020
2
HOFFMASTER, CARL M.
Exec Dt:
01/09/2020
Assignee
1
SHEAR BITS, INC.
220 SPRING HILL DRIVE
SUITE 200
SPRING, TEXAS 77386
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
11879295
US20210332646
17370952
Correspondence name and address
RICHARD A. FAGIN
P.O. BOX 593128
SAN ANTONIO, TX 78259
Assignment: 16
Reel/Frame:063258/0148   Pages: 3
Recorded: 04/07/2023
Attorney Dkt #:SHB-20-02US
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
HOFFMASTER, CARL M.
Exec Dt:
01/11/2023
2
HERMAN, JOHN JAMES
Exec Dt:
01/11/2023
Assignee
1
SHEAR BITS, INC.
220 SPRING HILL DRIVE
SUITE 200
SPRING, TEXAS 77386
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20230228156
18154341
Correspondence name and address
RICHARD A. FAGIN
P.O. BOX 593128
SAN ANTONIO, 78259 UNITED STATES

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